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Finding the Fourth Proportional to 245,245.96, 367,897.74 and 87,496.84

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Solution

The fourth proportional to 245,245.96, 367,897.74 and 87,496.84 is: 131,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,245.96 : 367,897.74 = 87,496.84 : x
  2. Step 2: Convert to fraction form
    245,245.96/367,897.74 = 87,496.84/x
  3. Step 3: Cross multiply
    245,245.96x = 367,897.74 × 87,496.84
  4. Step 4: Simplify right side
    245,245.96x = 32,189,889,693.14
  5. Step 5: Solve for x
    x = 32,189,889,693.14/245,245.96
  6. Step 6: Final answer
    x = 131,255.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.